Finding the Fourth Proportional to 416,177.80, 624,266.70 and 179,981.80
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Solution
The fourth proportional to 416,177.80, 624,266.70 and 179,981.80 is: 269,972.70
Step by Step Solution
- Step 1: Write the proportion equation
416,177.80 : 624,266.70 = 179,981.80 : x - Step 2: Convert to fraction form
416,177.80/624,266.70 = 179,981.80/x - Step 3: Cross multiply
416,177.80x = 624,266.70 × 179,981.80 - Step 4: Simplify right side
416,177.80x = 112,356,644,346.06 - Step 5: Solve for x
x = 112,356,644,346.06/416,177.80 - Step 6: Final answer
x = 269,972.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.